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src/lustre@cmd.erl

-module(lustre@cmd).
-compile([no_auto_import, nowarn_unused_vars]).
-export([from/1, none/0, batch/1, map/2]).
-export_type([cmd/1]).
-opaque cmd(GNM) :: {cmd, list(fun((fun((GNM) -> nil)) -> nil))}.
-spec from(fun((fun((GNN) -> nil)) -> nil)) -> cmd(GNN).
from(Cmd) ->
{cmd, [Cmd]}.
-spec none() -> cmd(any()).
none() ->
{cmd, []}.
-spec batch(list(cmd(GNR))) -> cmd(GNR).
batch(Cmds) ->
{cmd,
(gleam@list:fold(
Cmds,
[],
fun(B, _use1) ->
{cmd, A} = _use1,
gleam@list:append(B, A)
end
))}.
-spec map(cmd(GNV), fun((GNV) -> GNX)) -> cmd(GNX).
map(Cmd, F) ->
{cmd, L} = Cmd,
{cmd,
gleam@list:map(
L,
fun(Cmd@1) ->
fun(Dispatch) -> Cmd@1(fun(A) -> Dispatch(F(A)) end) end
end
)}.